Commit Graph

77 Commits

Author SHA1 Message Date
edgar_igl 28de16da38 CRIS: Improve ASID related TLB flushes.
* Speedup and correct ASID (PID) related TLB flushes.
* Use 64bit tcg load/stores to emulate movem.
* Remove unused helpers and other minor cleanups.

Signed-off-by: Edgar E. Iglesias <edgar@axis.com>



git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5302 c046a42c-6fe2-441c-8c8c-71466251a162
2008-09-22 20:51:28 +00:00
blueswir1 7ccfb2eb5f Fix warnings that would be caused by gcc flag -Wwrite-strings
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5206 c046a42c-6fe2-441c-8c8c-71466251a162
2008-09-14 06:45:34 +00:00
edgar_igl 980f8a0b39 CRIS: Mask off the cache selection bit after MMU translations.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5170 c046a42c-6fe2-441c-8c8c-71466251a162
2008-09-05 17:17:55 +00:00
aurel32 cdcf4e51aa TCG fixes for target-cris
This patch fixes TCG errors reported on the CRIS target when TCG_DEBUG
is enabled.

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Acked-by: Edgar E. Iglesias <edgar@axis.com>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5165 c046a42c-6fe2-441c-8c8c-71466251a162
2008-09-05 14:19:27 +00:00
edgar_igl b23761f959 CRIS: Avoid a few unecessary steps in the mmu.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5146 c046a42c-6fe2-441c-8c8c-71466251a162
2008-09-03 14:31:11 +00:00
edgar_igl 7d5099d5a4 CRIS: Remove redundant code.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5145 c046a42c-6fe2-441c-8c8c-71466251a162
2008-09-03 14:30:27 +00:00
blueswir1 79383c9c08 Fix some warnings that would be generated by gcc -Wredundant-decls
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5115 c046a42c-6fe2-441c-8c8c-71466251a162
2008-08-30 09:51:20 +00:00
edgar_igl 5ce042b1cf Remove dyngen leftovers.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4963 c046a42c-6fe2-441c-8c8c-71466251a162
2008-07-29 07:46:53 +00:00
edgar_igl 89cc738203 CRIS: Correct condition for when to apply fast move flags evaluation. Correct single-stepping over branches.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4944 c046a42c-6fe2-441c-8c8c-71466251a162
2008-07-25 21:20:21 +00:00
ths 2cfc5f17d3 Small cleanup of gen_intermediate_code(_internal), by Laurent Desnogues.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4891 c046a42c-6fe2-441c-8c8c-71466251a162
2008-07-18 18:01:29 +00:00
ths 551bd27f22 Convert remaining __builtin_expect to likely/unlikely, by Jan Kiszka.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4840 c046a42c-6fe2-441c-8c8c-71466251a162
2008-07-03 17:57:36 +00:00
pbrook 9656f324d2 Move interrupt_request and user_mode_only to common cpu state.
Save and restore env->interrupt_request and env->halted.



git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4817 c046a42c-6fe2-441c-8c8c-71466251a162
2008-07-01 20:01:19 +00:00
ths bf20dc076b Spelling fixes, spotted by Stuart Brady.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4809 c046a42c-6fe2-441c-8c8c-71466251a162
2008-06-30 17:22:19 +00:00
pbrook b3c7724cbc Move CPU save/load registration to common code.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4808 c046a42c-6fe2-441c-8c8c-71466251a162
2008-06-30 16:31:04 +00:00
edgar_igl 6913ba5680 CRIS: Correct writes to TLB hi.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4807 c046a42c-6fe2-441c-8c8c-71466251a162
2008-06-30 15:27:47 +00:00
edgar_igl d297f464d3 Avoid CRIS related warnings by Jan Kiszka.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4804 c046a42c-6fe2-441c-8c8c-71466251a162
2008-06-30 08:59:49 +00:00
pbrook 2e70f6efa8 Add instruction counter.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4799 c046a42c-6fe2-441c-8c8c-71466251a162
2008-06-29 01:03:05 +00:00
edgar_igl 877d8ad78b CRIS: Add (untested) cpu-state save/load.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4721 c046a42c-6fe2-441c-8c8c-71466251a162
2008-06-09 23:44:20 +00:00
edgar_igl 1b1a38b0aa CRIS: Emulate NMIs.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4719 c046a42c-6fe2-441c-8c8c-71466251a162
2008-06-09 23:18:06 +00:00
edgar_igl 5bf8f1aba1 CRIS: Support RFN insn.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4718 c046a42c-6fe2-441c-8c8c-71466251a162
2008-06-09 23:07:50 +00:00
edgar_igl a7cfbba0cf CRIS: Translator updates.
* RFN (Return From NMI) insn.
* Avoid unnecessary T0 transfers.
* Dont do tcg related init more than once.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4717 c046a42c-6fe2-441c-8c8c-71466251a162
2008-06-09 23:06:31 +00:00
pbrook e2eef1703b Remove dead and bitrotten "qemu-fast" code.
Only build softmmu+MMIO handlers for system emulation.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4695 c046a42c-6fe2-441c-8c8c-71466251a162
2008-06-08 01:09:01 +00:00
edgar_igl 2a44f7f173 CRIS translator updates
* Improve translation of the X flag (still some corner cases missing).
* First shot att P flag support and conditional stores.
* Improve the jump logic.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4684 c046a42c-6fe2-441c-8c8c-71466251a162
2008-06-06 11:23:28 +00:00
edgar_igl bf44333713 Correct P flag assertion in rfe.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4683 c046a42c-6fe2-441c-8c8c-71466251a162
2008-06-06 11:17:17 +00:00
pbrook f8ed7070ea Fix typo.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4624 c046a42c-6fe2-441c-8c8c-71466251a162
2008-05-30 17:54:15 +00:00
pbrook 6e68e076e7 Move clone() register setup to target specific code. Handle fork-like clone.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4623 c046a42c-6fe2-441c-8c8c-71466251a162
2008-05-30 17:22:15 +00:00
bellard 9133e39b84 Push common interrupt variables to cpu-defs.h (Glauber Costa)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4612 c046a42c-6fe2-441c-8c8c-71466251a162
2008-05-29 10:08:06 +00:00
bellard ce5232c5c2 moved halted field to CPU_COMMON
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4609 c046a42c-6fe2-441c-8c8c-71466251a162
2008-05-28 17:14:10 +00:00
edgar_igl 30abcfc7ba CRIS: Restructure the translator to allow for better code generation.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4594 c046a42c-6fe2-441c-8c8c-71466251a162
2008-05-27 21:10:56 +00:00
bellard bbff8895da remove absolete function
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4578 c046a42c-6fe2-441c-8c8c-71466251a162
2008-05-25 18:01:24 +00:00
pbrook 9b7b85d260 Fix off-by-one unwinding error.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4570 c046a42c-6fe2-441c-8c8c-71466251a162
2008-05-25 00:36:06 +00:00
pbrook cb63669a54 Fix ARM conditional branch bug.
Add tcg_gen_brcondi.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4552 c046a42c-6fe2-441c-8c8c-71466251a162
2008-05-24 02:22:00 +00:00
edgar_igl d189633603 Use tcg_gen_not.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4480 c046a42c-6fe2-441c-8c8c-71466251a162
2008-05-17 19:11:14 +00:00
edgar_igl cf1d97f074 CRIS: Improve TLB management and handle delayslots at page boundaries.
* Dont flush the entire qemu tlb when the $pid changes. Instead we go through
  the guests TLB and choose entries that need to be flushed.
* Add env->dslot and handle delayslots at pageboundaries.
* Remove some unused code.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4450 c046a42c-6fe2-441c-8c8c-71466251a162
2008-05-13 10:59:14 +00:00
edgar_igl a39f8f3ad9 CRIS: Remove some old dyngen T0/T1 fiddle. More usage of the results from the x flag liveness analysis.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4433 c046a42c-6fe2-441c-8c8c-71466251a162
2008-05-12 07:57:23 +00:00
pbrook 390efc54fb Add TCG native negation op.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4426 c046a42c-6fe2-441c-8c8c-71466251a162
2008-05-11 14:35:37 +00:00
edgar_igl 44cd42ee40 CRIS: Add support for the pseudo randomized set that the mmu provides with TLB refill faults. This makes linux guests use the four way TLB set associativty.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4425 c046a42c-6fe2-441c-8c8c-71466251a162
2008-05-11 14:28:14 +00:00
pbrook 868314358e Add zero extension (pseudo-)ops.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4424 c046a42c-6fe2-441c-8c8c-71466251a162
2008-05-11 12:22:01 +00:00
edgar_igl 2f3a1b072a CRIS: helper_dummy no longer needed as barrier for qemu_ld/st.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4416 c046a42c-6fe2-441c-8c8c-71466251a162
2008-05-10 19:20:33 +00:00
aurel32 939ef5938f Move #include "softfloat.h" to cpu-all.h
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4395 c046a42c-6fe2-441c-8c8c-71466251a162
2008-05-09 18:45:47 +00:00
edgar_igl 73e517236c CRIS: Concistent use of btarget and make it possible to single-step over delayslots.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4389 c046a42c-6fe2-441c-8c8c-71466251a162
2008-05-09 08:14:05 +00:00
edgar_igl dceaf39458 CRIS: More TCG conversion.
* Convert moves to/from support function regs (including TLB updates) to TCG.
* SCC no longer requires T0 to strictly be 0 or 1, relaxed to 0 or non-zero.
* Convert the the condition code evaluation to TCG.
* Convert rfe into a helper and TCG.
* Convert evaluate_bcc and setf to TCG.
* Convert clrf to TCG.
* Convert CRIS exception raising to TCG.
* Convert btst to TCG.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4376 c046a42c-6fe2-441c-8c8c-71466251a162
2008-05-07 15:24:53 +00:00
edgar_igl 17ac975463 More TCG updates for CRIS
* Convert parts of the jump logic to TCG.
* Stores no longer have to go via T0/T1.
* Use the byte and halfword ldx_code variants when appropriate for insn fetching.
* Do not disassemble beyond the translation block.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4350 c046a42c-6fe2-441c-8c8c-71466251a162
2008-05-06 08:30:15 +00:00
edgar_igl ef29a70d18 CRIS MMU Updates
* Add support for exec faults and for the k protection bit.
* Abort if search_pc causes recursive mmu faults.



git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4349 c046a42c-6fe2-441c-8c8c-71466251a162
2008-05-06 08:04:40 +00:00
aurel32 8dd3dca351 remove target ifdefs from vl.c
(Glauber Costa)


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4327 c046a42c-6fe2-441c-8c8c-71466251a162
2008-05-04 13:11:44 +00:00
edgar_igl aae6b32ae6 CRIS: Convert divide step to TCG.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4313 c046a42c-6fe2-441c-8c8c-71466251a162
2008-05-03 21:34:39 +00:00
edgar_igl d059c17270 CRIS: Convert lz (leading zeros) to TCG.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4309 c046a42c-6fe2-441c-8c8c-71466251a162
2008-05-03 17:11:36 +00:00
edgar_igl 50cfa95cbd CRIS: Eliminate a few unneeded moves to/from T0/T1.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4306 c046a42c-6fe2-441c-8c8c-71466251a162
2008-05-03 08:36:16 +00:00
edgar_igl c7d0569543 CRIS: Do post-increment without going via T0.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4304 c046a42c-6fe2-441c-8c8c-71466251a162
2008-05-03 06:54:52 +00:00
edgar_igl b41f7df018 CRIS updates:
* Support both the I and D MMUs and improve the accuracy of the MMU model.
* Handle the automatic user/kernel stack pointer switching when leaving or entering user mode.
* Move the CCS evaluation into helper funcs.
* Make sure user-mode cannot change flags only writeable in kernel mode.
* More conversion of the translator into TCG.
* Handle exceptions while in a delayslot.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4299 c046a42c-6fe2-441c-8c8c-71466251a162
2008-05-02 22:16:17 +00:00